Ut.IPUtils = {

    /**
     * 判断是否为IPV6地址
     * @returns {string}
     */
    isIPv6: function (str) {
        return /^([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$|^:((:[0-9a-fA-F]{1,4}){1,6}|:)$|^[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,5}|:)$|^([0-9a-fA-F]{1,4}:){2}((:[0-9a-fA-F]{1,4}){1,4}|:)$|^([0-9a-fA-F]{1,4}:){3}((:[0-9a-fA-F]{1,4}){1,3}|:)$|^([0-9a-fA-F]{1,4}:){4}((:[0-9a-fA-F]{1,4}){1,2}|:)$|^([0-9a-fA-F]{1,4}:){5}:([0-9a-fA-F]{1,4})?$|^([0-9a-fA-F]{1,4}:){6}:$/i.test(str);
    },
    /**
     * 判断是否为IPV4地址
     * @returns {string}
     */
    isIPv4: function (str) {
        return /^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$/i.test(str);
    },

    /**
     * 判断端口号是否合法
     * @param str
     * @returns boolean
     */
    port: function (str) {
        return /^([0-9]|[1-9]\d|[1-9]\d{2}|[1-9]\d{3}|[1-5]\d{4}|6[0-4]\d{3}|65[0-4]\d{2}|655[0-2]\d|6553[0-5])$/.test(str);
    }


};